Hot Property: 400 Summer St.

Construction crews from Suffolk held a topping off ceremony at the future headquarters of genomics testing firm Foundation Medicine this month at 400 Summer St. in Boston’s Seaport District.

Seaport District Lands Big Life Science Headquarters

Cambridge-based Foundation Medicine has signed the biggest commercial lease in Boston’s Seaport District in eight years, consolidating 1,100 employees at 400 Summer St. and giving new momentum to the neighborhood’s growing life science cluster.